Once you've uploaded and processed your models in StreamBIM, one essential step is setting it's geolocation. This guide will walk you through the process to ensure your project is accurately geolocated.
There are 4 different options to geolocate your project in StreamBIM:
- Auto-detection (IFC 4/4.3), no action needed
- Manually setting the CRS
- Referencing manually by using coordinates
- Reference manually without coordinates (less accurate)
Open the Settings tab to find the calibration tool
Option 1: Auto-detect
If you've uploaded and processed an IFC 4/IFC4.3 file that is geolocated, the CRS will be auto-detected and set. Check settings to confirm correct CRS.
Option 2: Manually set the project's CRS
If you've uploaded a file (other than IFC 4/4.3) that is geolocated, you need to set the CRS manually for the project. This is how you do it:
1. Click on the value field for projection
2. Search for the correct CRS (we recommend searching by EPSG code) and click to save it
Option 3: Reference manually using coordinates
When you have a local model with a georeferenced point you can geolocate it with this method:
There are 2 options here:
- Georeferenced point and rotation angle
- Georeferenced point, predefined rotation
1. Set projection to manual geolocation, then click on edit location
2. Click on the CRS to change it to prefered CRS
3. Drag the A marker to your georeferenced point (in this case project's origo), the marker will snap to center of the point (if project's origo). Next, fill in the known X and Y coordinates for point A.
If the model is exported with the correct rotation, set the "model to world angle" to 0, if it's not rotated correctly, fill in the known rotation value in this field to rate the model.
4. Check that the model is placed correct by looking at the preview screen on the right side. Here you have the option of viewing different map layers and other referenced layers in the preview as well.
5. Click to submit
Option 4: Reference manually without coordinates
If you have no georeferences in your model, you have the option to manually move the model by referencing it to the map or other map layers, this is how you do it:
1. Move the A and B pointers in the left window (green window) to your reference points, in this example the building corners
2. Move the A and B pointers to the references you have to the map or other layers (red window), the building corners from the map
NB! You can zoom to place the pointers with higher precision
3. When you are happy with the calibration, click to submit